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83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
/*
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* Copyright (C) 2018 by J-P Nurmi <jpnurmi@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#ifndef OCC_SLIDESHOW_H
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#define OCC_SLIDESHOW_H
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#include <QWidget>
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#include <QBasicTimer>
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#include <QPointer>
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#include <QVariantAnimation>
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namespace OCC {
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/**
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* @brief The SlideShow class
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* @ingroup gui
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*/
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class SlideShow : public QWidget
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{
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Q_OBJECT
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Q_PROPERTY(int interval READ interval WRITE setInterval)
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Q_PROPERTY(int currentSlide READ currentSlide WRITE setCurrentSlide NOTIFY currentSlideChanged)
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public:
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explicit SlideShow(QWidget* parent = nullptr);
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void addSlide(const QPixmap &pixmap, const QString &label);
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bool isActive() const;
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int interval() const;
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void setInterval(int interval);
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int currentSlide() const;
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void setCurrentSlide(int index);
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QSize sizeHint() const override;
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public slots:
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void startShow(int interval = 0);
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void stopShow();
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void nextSlide();
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void prevSlide();
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void reset();
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signals:
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void clicked();
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void currentSlideChanged(int index);
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protected:
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void mousePressEvent(QMouseEvent *event) override;
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void mouseReleaseEvent(QMouseEvent *event) override;
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void paintEvent(QPaintEvent *event) override;
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void timerEvent(QTimerEvent *event) override;
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private:
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void maybeRestartTimer();
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void drawSlide(QPainter *painter, int index);
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bool _reverse = false;
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int _interval = 3500;
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int _currentIndex = 0;
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QPoint _pressPoint;
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QBasicTimer _timer;
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QStringList _labels;
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QVector<QPixmap> _pixmaps;
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QPointer<QVariantAnimation> _animation = nullptr;
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};
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} // namespace OCC
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#endif // OCC_SLIDESHOW_H
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